In the Cisco Jabber window click the gear symbol (upper right hand corner).

Choose Settings then Audio…

In the Audio window select the following: (click here for screenshot)

Ringer/Alerts:  

Choose device/s (speakers, etc.) that will play the ringtone when receiving a call. The common choice for this is to select All Devices.

Speaker:

Choose Speakers (Jabra LINK 360)

Microphone:

Choose Microphone (Jabra LINK 360)

Then click OK.

Note:  You may also need to set Playback devices in Windows.  See the following:

Audio Device Settings (Windows 10)

https://kb.wisc.edu/smph/page.php?id=81174